With the workshop theme "Twenty years of selenium fertilization" the or-zanizers wanted to summarize the 20-year research period of Finnish sele-nium supplemented fertilization and bring together people interested in sele-nium. The main areas of the program and proceedings are: selenium fertiliza-tion, selenium in foods and diets and selenium and health. The proceedings include 13 short papers written by the speakers, and 26 abstracts of poster presentations.